Release 4.7 include/asm-generic/bitops/builtin-ffs.h

#ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_

#define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_

/**
 * ffs - find first bit set
 * @x: the word to search
 *
 * This is defined the same way as
 * the libc and compiler builtin ffs routines, therefore
 * differs in spirit from the above ffz (man ffs).
 */


static __always_inline int ffs(int x)
{
	return __builtin_ffs(x);
}

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#endif
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Directory: include/asm-generic/bitops

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